I'll admit it, I bought the ebay ones and have been using/evaluating them for about 3 months now.
They work for me. I've had a few positive comments on how they look. Only issue I've had, and it's a small one, is the clutch side adjuster could be a bit tighter. It has jumped to the lower setting a couple times. But I keep them on the second lowest anyway so It hasn't been an issue. The lowest setting seems not no entirely disengage the clutch, but that could by an adjustment on the cable too.